Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10102499 | Tower inventory system | C. E. Bowden | 2018-10-16 |
| 6901077 | Timeslot interchange circuit supporting PCM, ADPCM, and multiple data channel connectivity to T1 and E1 circuits | — | 2005-05-31 |
| 6546023 | Switch voice/data service extension to remote facilities | Steven T. DeLong, Jerrold S. Zdenek | 2003-04-08 |
| 6449286 | R2 multi-frequency compelled signalling using a DSP on a network termination card | Daniel F. Baker | 2002-09-10 |
| 6160807 | Timeslot interchange network | Jerrold S. Zdenek | 2000-12-12 |
| 6046994 | Modular switching system | William Fechalos | 2000-04-04 |
| 5347512 | Telecommunication system with delay data buffer and method | William Fechalos | 1994-09-13 |
| 5268903 | Multichannel telephonic switching network with different signaling formats and cross connect/PBX treatment selectable for each channel | Gordon J. Purtell | 1993-12-07 |
| 5140611 | Pulse width modulated self-clocking and self-synchronizing data transmission and method for a telephonic communication network switching system | Steven T. DeLong | 1992-08-18 |